Journal Paper

• Ryota Nakazawa, Satofumi Maruyama, Ryosuke Maki, Lewis R. Blackburn, Colin Boxall, Masahiko Nakase. Comparison Study on Crystalline Phases in Ce-bearing Titanate SYNROC Synthesized by Conventional and Spark Plasma Sintering, Reviewed proceedings of Waste Management Symposia 2026 (WM2026), Mar. 2026.
• Takumi Abe, Taiga Suzuki, Tomohiro Okamura, Masahiko Nakase. Implementation of ideal cascade model for uranium enrichment to nuclear fuel cycle simulator, Annals of Nuclear Energy, Vol. 232, p. 112224, Feb. 2026.
• Saki Ozawa, Yudai Shiozawa, Yoshitaka Saijo, Tatsuya Miyajima, Daiju Matsumura, Takuya Tsuji, Masahiko Nakase, Terutaka Maehara. Redox Dynamics of Cerium Ions in Soda-Lime Glass during Cooling Analyzed by in situ X-ray Absorption Fine Structure, Journal of the American Ceramic Society (accepted), Feb. 2026.
• Andika Putra Dwijayanto, Kenji Nishihara, Tomohiro Okamura, Masahiko Nakase. Preliminary Design and Front-end Fuel Cycle Assessment of 200 MWt Marine Molten Chloride Fast Reactor, Annals of Nuclear Energy, Vol. 229, No. 2026, p. 112124, Jan. 2026.

International Conference (Reviewed)

• Ryota Nakazawa, Satofumi Maruyama, Ryosuke Maki, Lewis R. Blackburn, Colin Boxall, Masahiko Nakase. Comparison Study on Crystalline Phases in Ce-bearing Titanate SYNROC Synthesized by Conventional and Spark Plasma Sintering, Waste Management Symposia 2026 (WM2026), Mar. 2026.

Domestic Conference (Not reviewed / Unknown)

• Qiushi Wang, Ahid Nurmanjaya, Masahiko Nakase. Aryl-Substituent Effects in Thiodiglycolamide Ligands: Alkyl Chain Length Modification for Enhanced Palladium(II) Extraction, Atomic Energy Society of Japan 2026 Spring Annual Meeting, Mar. 2026.
• Joonho LEE, Takahiro Nishihara, Masahiko Nakase. Extractant Exploration for Actinide Separation Solubility-Performance Hybrid Evaluation for ML Based Extractant Reverse Design, Atomic Energy Society of Japan 2026 Spring Annual Meeting, Mar. 2026.
• Alessio Rossi, Masahiko Nakase, Tomohiro Okamura, Kenji Nishihara, Kouki ONO. Towards a World Model of the Nuclear Fuel CycleFrom Past Reconstruction to Future Assessment of Fuel Demand, Waste Treatment and Strategic Stability, Atomic Energy Society of Japan 2026 Spring Annual Meeting, Mar. 2026.
• Takahiro Nishihara, Tomohiro Okamura, Hidekazu Asano, Masahiko Nakase. TASKI:AIを基盤とした原子力ナレッジマネジメントシステム(5)非構造データのナレッジベース化, Atomic Energy Society of Japan 2026 Spring Annual Meeting, Mar. 2026.
• Ahid Nurmanjaya, Qiushi Wang, Taisuke Tsukamoto, Takashi Shimada, Tomoo Yamamura, Masahiko Nakase. Investigation on fuel cycle based on actinide management towards sustainable use of nuclear energy(17) Investigation of elemental separation behavior using novel fluorinated solvents and short-chain extractants, Atomic Energy Society of Japan 2026 Spring Annual Meeting, Mar. 2026.
• Taisuke Tsukamoto, Tasuku Orino, Keisuke Nishimura, Yuki Konishi, Hiroki Tsukamoto, Takashi Shimada, Masahiko Nakase, Yasutoshi Ban, Yasuhiro Tsubata, Tomoo Yamamura. 持続的な原子力利用のためのアクチノイドマネジメントを備えた燃料サイクルの研究(20)二次廃棄物量低減に向けたMA暫定保管体への直接転換技術の開発, Atomic Energy Society of Japan 2026 Spring Annual Meeting, Mar. 2026.
• Andika Putra Dwijayanto, Kenji Nishihara, Tomohiro Okamura, Masahiko Nakase. The Case for Pu-fuelled Molten Chloride Fast Reactor for Nuclear Marine Propulsion, Atomic Energy Society of Japan 2026 Spring Annual Meeting, Mar. 2026.
• Ayoob Ilyas, Masahiko Nakase, Andika Putra Dwijayanto, Alessio Rossi, Hidetoshi Okada, Chris Allison, Zheng Fu, Shuying Jiang. Conceptual Design of a Compact Heat Pipe Device for Lunar Surface Power Generation, Atomic Energy Society of Japan 2026 Spring Annual Meeting, Mar. 2026.
• Tomohiro Okamura, Masahiko Nakase, Takashi Shimada, Hiroki Tsukamoto, Yuki Konishi, Keisuke Nishimura, Tomoo Yamamura. 持続的な原子力利用のためのアクチノイドマネジメントを備えた燃料サイクルの研究(22)高速炉実証炉の諸量評価研究, Atomic Energy Society of Japan 2026 Spring Annual Meeting, Mar. 2026.
• Takashi Shimada, Tomohiro Okamura, Masahiko Nakase, Kenji Takeshita, Keisuke Nishimura, Yuki Konishi, Hiroki Tsukamoto, Koki Hibi, Hiroyuki Moriwaki, Tomoo Yamamura. 持続的な原子力利用のためのアクチノイドマネジメントを備えた燃料サイクルの研究(23)軽水炉サイクルの課題解決の視点からの高速炉サイクルの要件１, Atomic Energy Society of Japan 2026 Spring Annual Meeting, Mar. 2026.
• Tomohiro Okamura, Masahiko Nakase. 事例紹介1, Tokyo University of Science Education Innovation Center Symposium 2026, Feb. 2026.
• Masahiko Nakase. [招待講演] 核燃料サイクルと資源循環：核種分離がもたらす原子力の新しい価値と未来－廃棄物処分負荷低減と資源有効利用に向けて－, Kanto Branch Research Presentation Meeting of the Japan Society of Material Cycles and Waste Management, Feb. 2026.
• Takashi Shimada, Tomohiro Okamura, Masahiko Nakase, Kenji Takeshita, Yuki Konishi, Keisuke Nishimura, Hiroki Tsukamoto, Tomoo Yamamura. アクチノイドマネジメントを備えた燃料サイクルの研究(1)MA分離・暫定保管の有効性評価, 19th Seminar of the Reprocessing and Recycle Technology Division on AESJ, Jan. 2026.

Research Highlight

• Masahiko Nakase, Tomohiro Okamura, Kenji Takeshita, Kenji Nishihara, Takumi Abe. Organizer of the 7th Technical Workshop on Fuel Cycle Simulation 2026 TWoFCS2026 & NuMBAC2026. 2026-2026.

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